Fair Values (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table provides a summary of the company’s assets and liabilities that are measured on a recurring basis (in thousands):

	Basis for Fair Value Measurements at Reporting Date
	Quoted Prices in Active Markets for Identical Assets / (Liabilities)	Significant Other Observable Inputs			Significant Other Unobservable Inputs
	Level I	Level II			Level III
June 30, 2019
Forward exchange contracts—net	—	$	1,544		—
December 31, 2018
Forward exchange contracts—net	—	$	801		—
Convertible 2021 debt conversion liability	—	(1,458		)	—
Convertible 2021 note hedge asset	—	1,028			—
Convertible 2022 debt conversion liability	—	(2,611		)	—
Convertible 2022 note hedge asset	—	2,062			—

Fair Value, by Balance Sheet Grouping

The carrying values and fair values of the company’s financial instruments are as follows (in thousands):

	June 30, 2019						December 31, 2018
	Carrying Value			Fair Value			Carrying Value			Fair Value
Cash and cash equivalents	$	89,511		$	89,511		$	116,907		$	116,907
Other investments	86			86			90			90
Installment receivables, net of reserves	1,170			1,170			1,796			1,796
Long-term debt (including current maturities of long-term debt) *	(284,189		)	(248,234		)	(255,645		)	(181,928		)
Convertible 2021 debt conversion liability in Other Long-Term Obligations	—			—			(1,458		)	(1,458		)
Convertible 2021 note hedge in Other Long-Term Assets	—			—			1,028			1,028
Convertible 2022 debt conversion liability in Other Long-Term Obligations	—			—			(2,611		)	(2,611		)
Convertible 2022 note hedge in Other Long-Term Assets	—			—			2,062			2,062
Forward contracts in Other Current Assets	1,972			1,972			1,020			1,020
Forward contracts in Accrued Expenses	(428		)	(428		)	(219		)	(219		)

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* The company's long-term debt is shown net of discount and fees associated with the Convertible Senior Notes due 2021 and 2022 on the company's condensed consolidated balance sheet. Accordingly, the fair values of the Convertible Senior Notes due 2021 and 2022 are included in the long-term debt presented in this table are also shown net of the discount and fees.